30670074 has 48 divisors (see below), whose sum is σ = 71376552. Its totient is φ = 9483264.

The previous prime is 30670069. The next prime is 30670099. The reversal of 30670074 is 47007603.

It can be written as a sum of positive squares in 4 ways, for example, as 30173049 + 497025 = 5493^2 + 705^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21652 + ... + 23024.

Almost surely, 2^30670074 is an apocalyptic number.

30670074 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30670074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35688276).

30670074 is an abundant number, since it is smaller than the sum of its proper divisors (40706478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30670074 is a wasteful number, since it uses less digits than its factorization.

30670074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471 (or 1468 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 30670074 is about 5538.0568794479. The cubic root of 30670074 is about 313.0196546433.

Adding to 30670074 its reverse (47007603), we get a palindrome (77677677).

The spelling of 30670074 in words is "thirty million, six hundred seventy thousand, seventy-four".